Michael Parker wrote: > I'm getting a lot of email where one of the domains I host has been used > by a spammer to send emails to [EMAIL PROTECTED] which then gives me > a load of bounce backs of "user unknown" and the like. (see below.) > > Is there a way to block these out, without blocking out legitimate > undelivered reports from mailservers? (or do my users have to just put > up with it!!) > Do you have a valid SPF record set up for that domain? That could help reduce the flow as servers receiving the spam that check SPF first might simply reject or drop the email rather than generating a non-delivery report.
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